Missing translation

htdocs/supplier_proposal/list.php

@@ -43,6 +43,7 @@ if (! empty($conf->projet->enabled))
 	require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 
 $langs->load('companies');
+$langs->load('propal');
 $langs->load('supplier_proposal');
 $langs->load('compta');
 $langs->load('bills');